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1 /* 2 LoaderGenerator - tool for generated xml, sql and doml file needed for Octopus. 3 4 5 Copyright (C) 2003 Together 6 7 This library is free software; you can redistribute it and/or 8 modify it under the terms of the GNU Lesser General Public 9 License as published by the Free Software Foundation; either 10 version 2.1 of the License, or (at your option) any later version. 11 12 This library is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 Lesser General Public License for more details. 16 17 You should have received a copy of the GNU Lesser General Public 18 License along with this library; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22 package org.webdocwf.util.loader.wizard; 23 24 // Java core packages 25 import java.util.*; 26 import java.net.*; 27 import java.io.*; 28 29 // Java extension packages 30 import javax.swing.*; 31 import javax.swing.event.*; 32 33 public class OctopusHelpPane extends JEditorPane { 34 35 private List history = new ArrayList(); 36 private int historyIndex; 37 38 // WebBrowserPane constructor 39 public OctopusHelpPane() 40 { 41 // disable editing to enable hyperlinks 42 setEditable( false ); 43 goToURL(getClass().getResource("HelpPages/main.html")); 44 45 } 46 47 // display given URL and add it to history 48 public void goToURL( URL url ) 49 { 50 displayPage( url ); 51 52 history.add( url ); 53 historyIndex = history.size() - 1; 54 } 55 56 // display next history URL in editorPane 57 public URL forward() 58 { 59 historyIndex++; 60 if ( historyIndex >= history.size() ) 61 historyIndex = history.size() - 1; 62 63 URL url = ( URL ) history.get( historyIndex ); 64 displayPage( url ); 65 66 return url; 67 } 68 69 // display previous history URL in editorPane 70 public URL back() 71 { 72 historyIndex--; 73 74 // do not go past beginning of history 75 if ( historyIndex < 0 ) 76 historyIndex = 0; 77 78 // display previous URL 79 URL url = ( URL ) history.get( historyIndex ); 80 displayPage( url ); 81 82 return url; 83 } 84 85 // display given URL in JEditorPane 86 private void displayPage( URL pageURL ) 87 { 88 // display URL 89 try { 90 setPage( pageURL ); 91 } 92 93 // handle exception reading from URL 94 catch ( IOException ioException ) { 95 ioException.printStackTrace(); 96 } 97 } 98 }

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